WASHINGTON (AP) — Police have arrested a woman in the splattering of green paint inside two chapels at the Washington National Cathedral and are trying to determine if she has any connection to two similar incidents on the National Mall.

Police say 58-year-old Jiamei Tian was arrested Monday inside the cathedral shortly after the paint was found and charged with defacing property. Assistant D.C. Police Chief Peter Newsham said investigators were hoping to question her about the vandalism on the Mall, including at the Lincoln Memorial, but a language barrier was complicating those efforts.

It wasn’t immediately clear if Tian had an attorney. Police believed she was homeless.

Green paint was found Friday on the Lincoln Memorial, and symbols have also been found painted in green on another statue on the Mall.